The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-349-7452, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Ambac International Corporation Div Ambac International. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-349-7452 |
| Primary Part Number | GU402592 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Ambac International Corporation Div Ambac International |
| Status | ACTIVE |
| First Step Diameter | 1.2500 INCHES NOMINAL IN |
| Second End Diameter | 0.9140 INCHES NOMINAL IN |
| Distance From End to First Step | 0.1080 INCHES NOMINAL IN |
| Design Type | SPLIT |
| Features Provided | CASEHARDENED |
| Bore Diameter | 0.3900 INCHES NOMINAL IN |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| GU402592 PRIMARY | Ambac International Corporation Div Ambac International (USA) |
| 79-GU402592 | Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales (AUS) |
| 4040240 PRIMARY | Agco Corp Parts Opn (USA) |
| Reference | Meaning |
|---|---|
| GU7692 | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
NSN 5340-00-349-7452 is a Seat,helical Compression Spring, manufactured by Ambac International Corporation Div Ambac International, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-349-7452 has 3 manufacturer part numbers on file: GU402592 (Ambac International Corporation Div Ambac International), 79-GU402592 (Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales), 4040240 (Agco Corp Parts Opn).
Key specifications for GU402592: Overall Height: 0.2970 INCHES NOMINAL IN; First Step Diameter: 1.2500 INCHES NOMINAL IN; Second End Diameter: 0.9140 INCHES NOMINAL IN; Distance From End to First Step: 0.1080 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.